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warning(false, \"[JSS] Could not find the referenced rule \\\"\" + key + \"\\\" in \\\"\" + (container.options.meta || container.toString()) + \"\\\".\") : void 0;\n      return key;\n    };\n  }\n\n  function replaceParentRefs(nestedProp, parentProp) {\n    var parentSelectors = parentProp.split(separatorRegExp);\n    var nestedSelectors = nestedProp.split(separatorRegExp);\n    var result = '';\n\n    for (var i = 0; i < parentSelectors.length; i++) {\n      var parent = parentSelectors[i];\n\n      for (var j = 0; j < nestedSelectors.length; j++) {\n        var nested = nestedSelectors[j];\n        if (result) result += ', '; // Replace all & by the parent or prefix & with the parent.\n\n        result += nested.indexOf('&') !== -1 ? nested.replace(parentRegExp, parent) : parent + \" \" + nested;\n      }\n    }\n\n    return result;\n  }\n\n  function getOptions(rule, container, prevOptions) {\n    // Options has been already created, now we only increase index.\n    if (prevOptions) return _extends({}, prevOptions, {\n      index: prevOptions.index + 1\n    });\n    var nestingLevel = rule.options.nestingLevel;\n    nestingLevel = nestingLevel === undefined ? 1 : nestingLevel + 1;\n\n    var options = _extends({}, rule.options, {\n      nestingLevel: nestingLevel,\n      index: container.indexOf(rule) + 1 // We don't need the parent name to be set options for chlid.\n\n    });\n\n    delete options.name;\n    return options;\n  }\n\n  function onProcessStyle(style, rule, sheet) {\n    if (rule.type !== 'style') return style;\n    var styleRule = rule;\n    var container = styleRule.options.parent;\n    var options;\n    var replaceRef;\n\n    for (var prop in style) {\n      var isNested = prop.indexOf('&') !== -1;\n      var isNestedConditional = prop[0] === '@';\n      if (!isNested && !isNestedConditional) continue;\n      options = getOptions(styleRule, container, options);\n\n      if (isNested) {\n        var selector = replaceParentRefs(prop, styleRule.selector); // Lazily create the ref replacer function just once for\n        // all nested rules within the sheet.\n\n        if (!replaceRef) replaceRef = getReplaceRef(container, sheet); // Replace all $refs.\n\n        selector = selector.replace(refRegExp, replaceRef);\n        var name = styleRule.key + \"-\" + prop;\n\n        if ('replaceRule' in container) {\n          // for backward compatibility\n          container.replaceRule(name, style[prop], _extends({}, options, {\n            selector: selector\n          }));\n        } else {\n          container.addRule(name, style[prop], _extends({}, options, {\n            selector: selector\n          }));\n        }\n      } else if (isNestedConditional) {\n        // Place conditional right after the parent rule to ensure right ordering.\n        container.addRule(prop, {}, options).addRule(styleRule.key, style[prop], {\n          selector: styleRule.selector\n        });\n      }\n\n      delete style[prop];\n    }\n\n    return style;\n  }\n\n  return {\n    onProcessStyle: onProcessStyle\n  };\n}\n\nexport default jssNested;\n"],"names":["separatorRegExp","parentRegExp","refRegExp","getReplaceRef","container","sheet","match","key","rule","getRule","selector","replaceParentRefs","nestedProp","parentProp","parentSelectors","split","nestedSelectors","result","i","length","parent","j","nested","indexOf","replace","getOptions","prevOptions","index","nestingLevel","options","undefined","name","onProcessStyle","style","type","replaceRef","styleRule","prop","isNested","isNestedConditional","replaceRule","addRule"],"sourceRoot":""}